MC
Mary Coughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berrien-County, Michigan
Our Model Tree links this Mary Coughlin across the 1930 and 1940 US Censuses in Berrien-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Berrien-County, Michigan |
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Niles city |
| 1935 Residence (County) | Berrien |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Niles City |
| Est. Birth Year | ~1921 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Coughlin | Spouse | — | 57 | ~1883 |
| Garrett Coughlin | Head | — | 48 | ~1892 |
| Mary Coughlin | Daughter | — | 19 | ~1921 |
| Garrett Coughlin | Son | — | 20 | ~1920 |
| Marion Coughlin | Daughter | — | 16 | ~1924 |
| Angela Coughlin | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Berrien, Michigan
Daughter, age 9
Berrien, Michigan · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Massachusetts |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Berrien-County, Michigan
Daughter, age 19
Berrien-County, Michigan · implied b. ~1921 — 6 household members
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Niles city |
| 1935 Residence (County) | Berrien |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Coughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Coughlin
Daughter · 1940 · age 19 · b. ~1921 · Michigan
★ You are viewing this record
Sibling
Marion Coughlin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Angela Coughlin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Garrett Coughlin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Berrien-County, Michigan
Open full size
1940 US Federal Census — Berrien-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01732-00823)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Dennis | 35 | roomer | Clerk | Kentucky |
| 42 | Herman H Hesse | 33 | head | Bldg Dept. | Michigan |
| 43 | Rita S Hesse | 31 | wife | Caretaker | Michigan |
| 44 | Irene Hesse | 14 | daughter | — | Michigan |
| 45 | Herman Bath | 45 | head | City Carrier | England |
| 46 | Olga D Bath | 33 | wife | — | Michigan |
| 47 | Charles Bath | 11 | son | — | Michigan |
| 48 | Gordon D Freeze | 30 | head | Picker | Tennessee |
| 49 | Nellie Freeze | 26 | wife | Canner | Tennessee |
| 50 | Virginia Freeze | 9 | daughter | — | Tennessee |
| 51 | Katherine Freeze | 5 | daughter | — | Tennessee |
| 52 | Carol Freeze | 2 | daughter | — | Michigan |
| 53 | Clara Woodruff | 66 | head | House Work | Ohio |
| 54 | Allen Tibbs | 50 | head | Carpenter | Michigan |
| 55 | Pearl D Tibbs | 48 | wife | — | Michigan |
| 56 | J. Robert Tibbs | 21 | son | Clerk | Michigan |
| 57 | Barbara C Tibbs | 17 | daughter | — | Michigan |
| 58 | Kenneth A Tibbs | 14 | son | — | Michigan |
| 59 | Rodger Lynn Tibbs | 11 | son | — | Michigan |
| 60 | Garrett J Coughlin | 48 | head | Cook | Iowa |
| 61 | Frances Coughlin | 57 | wife | — | Massachusetts |
| 62 | Garrett Jr Coughlin | 20 | son | New Worker | Massachusetts |
| 63 | Mary Coughlin THIS PERSON | 19 | daughter | — | California |
| 64 | Angela Coughlin | 18 | daughter | — | California |
| 65 | Marion Coughlin | 16 | daughter | — | California |
| 66 | Roland Finn | 25 | head | Truck Driver | Indiana |
| 67 | Ruby D Finn | 21 | wife | — | Michigan |
| 68 | Deloris J Finn | 4 | daughter | — | Michigan |
| 69 | Roland L Finn | 3 | son | — | Michigan |
| 70 | Karl Koehn | 21 | head | Manager | Indiana |
| 71 | Margaret Koehn | 27 | wife | — | Indiana |
| 72 | Helen Helton | 32 | head | Book Keeper | Michigan |
| 73 | Lewis Helton | 23 | brother | — | Michigan |
| 74 | Michael Fedor | 26 | head | Buffing | Indiana |
| 75 | Ellen D Fedor | 24 | wife | — | Indiana |
| 76 | David R Fedor | 3 | son | — | Michigan |
| 77 | Carol D Fedor | 2 | daughter | — | Michigan |
| 78 | Larry G Fedor | 1 | son | — | Michigan |
| 79 | Andrew Fedor | 73 | father | — | Czecho-Slovakia |
| 80 | John Fedor | 23 | brother | Grinder | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)